Compare lenses

7Artisans AF 18mm f/2 vs Sigma 19mm f/2.8 DN Art

The 7Artisans AF 18mm f/2 and the Sigma 19mm f/2.8 DN Art side by side, computed from this guide's catalogue.

Which to pick

Pick the 7Artisans AF 18mm f/2 if you want a brighter f/2 (1.0 stops more light), for dim light and softer backgrounds. Pick the Sigma 19mm f/2.8 DN Art if you want a fit on more cameras (90 against 41 in this guide).

Still torn? Ask the guide about the 7Artisans AF 18mm f/2 and the Sigma 19mm f/2.8 DN Art

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec7Artisans AF 18mm f/2Sigma 19mm f/2.8 DN Art
Maker7ArtisansSigma
Focal length18mm (prime)19mm (prime)
Full-frame equivalent27mm on APS-C28mm on APS-C
Maximum aperturef/2brighterf/2.8
Made forAPS-CAPS-C
MountsSony ESony E, Micro Four Thirds
Stabilisednono
Autofocusyesyes
Weightnot listed160 g
Cameras it fits41 in this guide90 in this guidefits more cameras

Focal range, in full-frame terms

142435508513520040080027mm equiv.7Artisans
7Artisans AF 18mm f/2: 18mm on APS-C, like 27mm.
142435508513520040080028mm equiv.Sigma
Sigma 19mm f/2.8 DN Art: 19mm on APS-C, like 28mm.

Aperture

f/2
7Artisans AF 18mm f/2: f/2 wide open.
f/2.8
Sigma 19mm f/2.8 DN Art: f/2.8 wide open.

Each opening drawn to scale against f/1.4: a smaller f-number lets in more light and blurs the background more.

Field of view

7Artisans · 67°Sigma · 65°
How wide each sees, at each end, on the sensor it was made for.

Cameras they fit

41 cameras in this guide take both, so either works on the same body. In all, the 7Artisans AF 18mm f/2 fits 41 and the Sigma 19mm f/2.8 DN Art 90.

7Artisans AF 18mm f/2

and 31 more

Sigma 19mm f/2.8 DN Art

and 80 more

On their own pages